(Sheppard smashed a window to climb out of the computer room he and Teyla are trapped in)
Teyla: John, what are you doing?
Sheppard: The control room is only four floors above us. All I have to do is climb up and I'm in.
Teyla: Climb the tower? Is that even possible?
Sheppard: Sure! Batman did it all the time...(Looks at the big drop to the ocean)...piece of cake. (To Teyla) Don't worry, I'll be fine. Gotta a turn off that beacon.